381019242 has 16 divisors (see below), whose sum is σ = 795170880. Its totient is φ = 121484352.

The previous prime is 381019241. The next prime is 381019307. The reversal of 381019242 is 242910183.

It is not an unprimeable number, because it can be changed into a prime (381019241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380367 + ... + 1380642.

It is an arithmetic number, because the mean of its divisors is an integer number (49698180).

Almost surely, 2^381019242 is an apocalyptic number.

381019242 is an abundant number, since it is smaller than the sum of its proper divisors (414151638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381019242 is a wasteful number, since it uses less digits than its factorization.

381019242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761037.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 381019242 is about 19519.7141884813. The cubic root of 381019242 is about 724.9626564990.

The spelling of 381019242 in words is "three hundred eighty-one million, nineteen thousand, two hundred forty-two".